129930542100 has 72 divisors (see below), whose sum is σ = 417702640320. Its totient is φ = 34648143840.

The previous prime is 129930541997. The next prime is 129930542117. The reversal of 129930542100 is 1245039921.

129930542100 is a `hidden beast` number, since 1 + 2 + 9 + 9 + 3 + 0 + 542 + 100 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24058512 + ... + 24063911.

It is an arithmetic number, because the mean of its divisors is an integer number (5801425560).

Almost surely, 2^129930542100 is an apocalyptic number.

129930542100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129930542100 is an abundant number, since it is smaller than the sum of its proper divisors (287772098220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129930542100 is a wasteful number, since it uses less digits than its factorization.

129930542100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48122446 (or 48122433 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 129930542100 in words is "one hundred twenty-nine billion, nine hundred thirty million, five hundred forty-two thousand, one hundred".